RM1,315 Cheap Flights from San Francisco (SFO) to London (LHR)

View RM1,315 flight on Thu, 25 Dec 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Heathrow Airport (LHR)

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Cheap Flights from San Francisco to London (SFO-LHR)

Prices were available within the past 7 days and start at RM1,315 for one-way flights and RM2,814 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 10 Dec - Tue, 30 Dec
SFO
San Francisco
LHR
London
RM2,814 Return, found 1 day ago
RM2,814
Return
found 1 day ago
Select Air Canada flight, departing Wed, 10 Dec from San Francisco to London, returning Tue, 30 Dec, priced at RM2,814 found 1 day ago
Air Canada
Thu, 9 Oct - Sun, 12 Oct
SFO
San Francisco
LHR
London
RM2,932 Return, found 6 days ago
RM2,932
Return
found 6 days ago
Select Air Canada flight, departing Thu, 9 Oct from San Francisco to London, returning Sun, 12 Oct, priced at RM2,932 found 6 days ago
Air Canada
Thu, 9 Oct - Sun, 12 Oct
SFO
San Francisco
LHR
London
RM2,952 Return, found 6 days ago
RM2,952
Return
found 6 days ago
Select Air Canada flight, departing Thu, 9 Oct from San Francisco to London, returning Sun, 12 Oct, priced at RM2,952 found 6 days ago
United
Thu, 9 Oct - Sun, 12 Oct
SFO
San Francisco
LHR
London
RM2,961 Return, found 6 days ago
RM2,961
Return
found 6 days ago
Select United flight, departing Thu, 9 Oct from San Francisco to London, returning Sun, 12 Oct, priced at RM2,961 found 6 days ago
Delta
Thu, 9 Oct - Sun, 12 Oct
SFO
San Francisco
LHR
London
RM2,976 Return, found 6 days ago
RM2,976
Return
found 6 days ago
Select Delta flight, departing Thu, 9 Oct from San Francisco to London, returning Sun, 12 Oct, priced at RM2,976 found 6 days ago
Swiss International Air Lines
Thu, 9 Oct - Sun, 12 Oct
SFO
San Francisco
LHR
London
RM3,151 Return, found 6 days ago
RM3,151
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, 9 Oct from San Francisco to London, returning Sun, 12 Oct, priced at RM3,151 found 6 days ago
United
Sat, 13 Dec - Tue, 30 Dec
SFO
San Francisco
LHR
London
RM3,193 Return, found 1 day ago
RM3,193
Return
found 1 day ago
Select United flight, departing Sat, 13 Dec from San Francisco to London, returning Tue, 30 Dec, priced at RM3,193 found 1 day ago
United
Wed, 10 Dec - Wed, 31 Dec
SFO
San Francisco
LHR
London
RM3,307 Return, found 1 day ago
RM3,307
Return
found 1 day ago
Select United flight, departing Wed, 10 Dec from San Francisco to London, returning Wed, 31 Dec, priced at RM3,307 found 1 day ago
Air Canada
Sat, 20 Dec - Thu, 1 Jan
SFO
San Francisco
LHR
London
RM4,966 Return, found 6 hours ago
RM4,966
Return
found 6 hours ago
Select Air Canada flight, departing Sat, 20 Dec from San Francisco to London, returning Thu, 1 Jan, priced at RM4,966 found 6 hours ago
British Airways
Sat, 20 Dec - Thu, 1 Jan
SFO
San Francisco
LHR
London
RM5,580 Return, found 6 hours ago
RM5,580
Return
found 6 hours ago
Select British Airways flight, departing Sat, 20 Dec from San Francisco to London, returning Thu, 1 Jan, priced at RM5,580 found 6 hours ago

Find the cheapest month to fly from San Francisco (SFO) to London (LHR)

January is typically the cheapest month to fly

From RM 1,891 - RM 4,056 per traveller.

Graph displaying average flight prices per month

San Francisco to London route information
Origin airport
San Francisco Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United, WestJet
Return price
RM2,814
Distance
8567 km
Average flight time
18 hours 22 mins

Perfect flights from San Francisco to London

Your Journey from San Francisco to London

Start your unforgettable journey with Expedia. Our broad selection of flights from San Francisco to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including WestJet, United, Delta, British Airways, KLM, Air France, Austrian Airlines, Air Canada, Swiss International Air Lines. Our selection of flights from San Francisco Intl. to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with San Francisco to London Flights

Experience the joy of finding cheap flights from San Francisco Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM1,315 and roundtrip prices from RM2,814*.
 

Pre-Flight Essentials

Ensure a smooth journey from San Francisco to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of London. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your San Francisco to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from San Francisco to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from San Francisco to London with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from San Francisco to London with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from San Francisco Intl. Airport (SFO) to Heathrow Airport?
Round-trip tickets from San Francisco Intl. Airport (SFO) to London Heathrow start from RM2,814. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to LHR?
Most flights can be cancelled online, but each air carrier has different terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from SFO to London Heathrow that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Intl. Airport (SFO) to Heathrow Airport (LHR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SFO to LHR?
San Francisco to Hounslow is around 8,600 kilometres, so get ready to spend a while in the air. Don't forget to pack all the essentials, from your headphones to your hoodie. Take some snacks to munch on throughout your flight too.
Which airlines fly direct from SFO to London Heathrow?
A popular airline that flies from SFO to LHR is United Airlines (UA). It offers 60 flights a month. After some more options? Check out the airfares with British Airways (BA). This carrier offers 60 monthly flights between these airports.
Are San Francisco Airport to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from San Francisco Intl. Airport (SFO) to London Heathrow can be hit-or-miss. You may be able to score a great bargain, but you could also miss out completely! If you'd prefer to play it safe and start planning your trip early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines advertise their prices so far in advance. Our advice? Check back often as updates are made frequently.

Explore a world of travel with Expedia

*Available to Expedia members.